Citizen scientists across North America are observing seasonal changes and reporting hummingbird sightings.
Fall Hummingbird Migration
Fueled by the nectar, hummingbirds double their weight as they prepare to fly hundreds
or even thousands of miles. Males leave first, as early as mid-July. Females follow, and then the young who migrate for the first time all alone.
Track the Migration
Join us as we track the migration of hummingbirds traveling to their wintering grounds.
- Weekly migration news: August 23 - November 1
- Real-time maps
- Field notes from observers
- Photo galleries and video clips
- Articles and slideshows
- Journal pages